APR Roll Control Lowering Springs Audi S4 S5 B9 SUS00016 Performance Springs
Key Features
- Lowered ride height for improved stance and aerodynamics
- Roll-control design reduces body roll in corners
- Progressive spring rates for balanced comfort and performance
- Improves handling without excessive harshness
- Direct replacement for factory springs
- Designed by APR Performance for daily and spirited driving
APR develops and manufactures hardware, software, calibration & information-logging equipment for engine and transmission controllers, together with intakes, exhaust systems, intercoolers, turbocharger systems, suspension, brake systems, wheels, and more.
Vehicle Compatibility
Common fitment includes:
- Audi S4 → 2018–Present
- Audi S5 → 2018–Present
(Always confirm exact application—APR springs are platform-specific.)
Performance Benefits
- Reduced body roll during cornering
- Lower center of gravity for improved handling
- More planted feel at speed
- Better stance without excessive drop
- Maintains daily drivability
This is how you make your car handle better and look better.
Lowers 22 mm or .87 in Entrance / 29 mm or 1.14 in Rear (DCC)
Will increase Spring Fee 36% or +seventy two lbs/in at 274 lbs/in Entrance / 50% or +one hundred forty lbs/in at 420 lbs/in Rear (DCC)
Ride Quality (Real Talk)
- Slightly firmer than stock
- Noticeably more controlled
- Still comfortable for daily driving
Translation: sportier, not punishing.
Why This Upgrade Matters
Factory springs are built for:
- Comfort
- Compliance
- Average drivers
APR springs are built for:
- Enthusiasts
- Performance driving
- Actually enjoying corners
Twin Fee Spring (164 lbs/in to 270 lbs/in Entrance)
Twin Fee Spring (320 lbs/in to 420 lbs/in Rear)
Operates as a single Fee “linear” spring all over loaded usage
Installation
- Direct replacement springs
- Requires spring compressor/tools
- Recommended alignment after install
Standard suspension install—nothing crazy.
Final Take
No extra horsepower—but your car will feel tighter, corner flatter, and finally look like it means business.
And honestly, that’s the upgrade most people notice first.
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